Beachhead and Tunnel Rat on fighting Sand Scorpion troopers on the Patriot Grizzly and are saved by Wild Bill piloting a Tiger Storm Copter, and they manage to capture the troopers so Hi-Tech can study their mutations. Swamp Rats sneak into the base to free the troopers, who threaten and overwhelm the Joes. Can Snake-Eyes and Kamakura sneak into the Cobra base to get the antidote and return in time to save their friends?